Windows 8 and 8.1 Forums


BSOD (APC_INDEX_MISMATCH) running Cubase LE AI Elements 7

  1. #31


    Posts : 23
    windows 8.1


    Hi Usasma,

    Great you're trying to help me solve this!

    I had uninstalled AVID Pro Tools, but since you mentioned it again I did a search on the diginet.sys driver, which appeared to be still present in windows/system32, so it seems not to be removed by the Windows uninstall. I removed that file manually. Then I made another restore point and ran Driver Verifier again. This time the laptop rebooted normally. I ran Cubase Elements 7 and played around, doing several things to stress the system like copying all tracks a few times so I had a project with about 24 audio tracks running, and things that previously caused a BSOD like opening another project while a project was running. I opened other programs while Cubase was running, like firefox, agent news/email reader, Photoshop. No crashes so far! So what's the best way to check if we found the cause? What more tests can I do? As far as I know Driver Verifier is still running.

    Erik

      My System SpecsSystem Spec

  2. #32


    Posts : 2,480
    Windows 10 Pro x64


    Use the computer normally for a few days and let us know if you experience any further crashes. Verifier should run for at least 24 h.
    I'm glad to hear that we are making progress.
      My System SpecsSystem Spec

  3. #33


    Posts : 5,139
    Win8.1Pro - Finally!!!


    Let verifier run for anout 36 hours maximum. If it doesn't cause a BSOD, then it's probably fixed

    But, don't forget to turn verifier off - because verifier may cause problems later on ( and it does slow the system down)
      My System SpecsSystem Spec

  4. #34


    Posts : 23
    windows 8.1


    Strange phenomena here. I have let Verifier run for over 24 hours. During that period I could do anything with Cubase but it didn't crash. Verifier did slow the system down but I couldn't get it to BSOD.

    So I terminated Verifier, re-booted and checked the system. I had checked before that Verifier had really stopped. Taskmanager showed very low values for cpu, memory, hard disk and network.

    Then I started Cubase. Within 5 minutes while just opening a project the system BSOD'd with the same APC_INDEX_MISMATCH notice. I attach the minidump.

    After that, I restarted Verifier, re-booted and started Cubase. Again I seem to be able to do anything without the system BSOD'ing...
      My System SpecsSystem Spec

  5. #35


    Posts : 2,480
    Windows 10 Pro x64


    Cubase is known to cause crashes. Set Cubase to use ASIO4All. Apparently, some issues have been solved after this. ASIO4All can be downloaded here: ASIO4ALL - Universal ASIO Driver
    Windows 7 64 Bluescreen BAD_POOL_HEADER - running Steinberg Cubase - Microsoft Community
      My System SpecsSystem Spec

  6. #36


    Posts : 23
    windows 8.1


    Hi softwaremaniac, thanks for your quick reply.

    I use a high end audio interface (Focusrite Scarlet 18i8) that comes with it's own ASIO driver. Exchanging this for a generic ASIO driver would render my Focusrite useless and is therefore no option for me. I already contacted Focusrite support in relation to the BSOD's and they confirmed I use the latest firmware which is known to be solid. Also, how does this explain the strange phenomenon that Cubase crashes when Driver Verifier is off and doesn't crash while Verifier is running?
      My System SpecsSystem Spec

  7. #37


    Posts : 2,480
    Windows 10 Pro x64


    ASIO explains the crashes occuring only in Cubase. I recommend that you just try that to test if your system crashes.
      My System SpecsSystem Spec

  8. #38


    Posts : 23
    windows 8.1


    Hi softwaremaniac,

    I must admit when trying the Asio4all driver Cubase hasn't crashed yet. However, this means I cannot use my hi end Focusrite audio interface which renders my whole DAW kind of useless. Is the conclusion that my laptop isn't sufficient hardware to run a DAW with a usb audio interface (regarding your remark on USB audio being the cause of trouble)?
      My System SpecsSystem Spec

  9. #39


    Posts : 2,480
    Windows 10 Pro x64


    No, there is a bug apparently in the software and it crashes if ASIO is not used. It's rather common issue with the software.
      My System SpecsSystem Spec

  10. #40


    Posts : 23
    windows 8.1


    I just ran a couple of tests with the Focusrite ASIO and with the ASIO4ALL and it seems clear that the system crashes consistently when the Focusrite ASIO driver is used and doesn't crash with the ASIO4ALL driver. I will contact Focusrite support again since this is starting to look like a problem with the Focusrite ASIO in combination with my pc hardware. Still puzzles me why it didn't crash while Verifier is running.
      My System SpecsSystem Spec

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BSOD (APC_INDEX_MISMATCH) running Cubase LE AI Elements 7
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